Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 9810 | N10 | E81 | 02 | 0110 | Alpha | Feb 9, 2002 | Feb 16, 2002 | Mar 1, 2002 |
| № 9809 | S06 | E55 | 03 | 0120 | Beta | Feb 7, 2002 | Feb 14, 2002 | Feb 27, 2002 |
| № 9808 | N16 | E41 | 08 | 0060 | Beta | Feb 6, 2002 | Feb 13, 2002 | Feb 27, 2002 |
| № 9807 | S27 | E51 | 13 | 0320 | Beta-Gamma | Feb 7, 2002 | Feb 14, 2002 | Feb 28, 2002 |
| № 9806 | N11 | E17 | 02 | 0040 | Alpha | Feb 4, 2002 | Feb 11, 2002 | Feb 25, 2002 |
| № 9804 | S17 | W26 | 03 | 0030 | Beta | Feb 1, 2002 | Feb 8, 2002 | Feb 22, 2002 |
| № 9802 | S15 | W05 | 64 | 0780 | Beta-Gamma-Delta | Feb 3, 2002 | Feb 9, 2002 | Feb 23, 2002 |
| № 9801 | S03 | W16 | 10 | 0110 | Beta | Feb 2, 2002 | Feb 9, 2002 | Feb 22, 2002 |
| № 9800 | N08 | W31 | 50 | 0570 | Beta-Gamma | Feb 1, 2002 | Feb 7, 2002 | Feb 21, 2002 |
| № 9799 | S24 | W62 | 01 | 0020 | Alpha | Jan 29, 2002 | Feb 5, 2002 | Feb 19, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, February. Gray background - average solar cycle.
